1366 - Incorrect integer value: '' for column `mapshopatlogis`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', 'e5fe2802f62643c30592a2ab9aa5c9d2', '3.145.36.10', '1715181623', '1715181623', '/product_info.php/info/p2738_Togo-Reliefkarte.html')

[XT SQL Error]